Coated animals [1] ( lat. Phylactolaemata ) - a class of invertebrate animals from the type of bryozoans . This is a special class of bryozoans, whose representatives live exclusively in fresh waters.
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Phylactolaemata Allman , 1856 | |||||||||||||||||||
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Content
- 1 Building and habitat
- 2 Classification
- 3 notes
- 4 Literature
Building and habitat
Representatives of this class of bryozoans are most often found in stagnant waters. They cover the stones, the lower part of the leaves of water lilies and egg capsules facing the water, as well as the branches of trees hanging from the water. Of the more than 5 thousand species of bryozoans known to science, only 74 are freshwater species, of which 20 live in Europe.
The skeleton of the representatives of mole rats, unlike marine bryozoans, consists not of limestone, but of chitin of various densities. In this regard, animal colonies can form crust-like or branched forms. In some cases, in a number of species of angiosperms, animal colonies may have lumpy masses weighing more than 1 kilogram. Animals are adapted to changing seasons. In autumn, they create statoblasts that persist for a long time, which allows them to safely endure cold winters.
Classification
As of August 2019, 1 unit of 7 families is included in the class [2] :
- Order Plumatellida Pennak, 1953
- Family Cristatellidae Allman, 1856
- Family Fredericellidae Allman, 1856
- Family Lophopodidae Rogick, 1935
- Pectinatellidae Lacourt Family , 1968
- Family Plumatellidae Allman, 1856
- Family Stephanellidae Lacourt, 1968
- Family Tapajosellidae Wood & Okamura, 2017
Notes
- ↑ Bryozans / Chesunov A.V. // Mongols - Nanomaterials. - M .: Big Russian Encyclopedia, 2013. - S. 546-547. - (The Big Russian Encyclopedia : [in 35 vols.] / Ch. Ed. Yu. S. Osipov ; 2004—2017, vol. 21). - ISBN 978-5-85270-355-2 .
- ↑ Squad Plumatellida (Eng.) In the World Register of Marine Species . (Retrieved September 4, 2019) .
Literature
- Lacourt AW (1968): A Monograph of the Freshwater Bryozoa: Phylactolaemata. Zoologische Verhandelingen, 93: 1-159.
- Wesenberg-Lund C. (1939): Biologie der Süsswassertiere. Wirbellose Tiere. Wien, J. Springer, 817 S. (reprint 1982, Vlg. J. Cramer, Braunschweig u. Vlg. O. Koeltz, Koenigstein). (Bryozoa: 369–394).
- Wiebach F. (1960): Bryozoa . In: P. Brohmer et al. (ed.): Die Tierwelt Mitteleuropas, 1 (8), Leipzig: 1-56, Tfl. 1-19.
- Wood TS & B. Okamura (2005): A New Key to the Freshwater Bryozoans of Britain, Ireland and Continental Europe, with Notes on Their Ecology. Freshwater Biological Association Scientific Publication, 63: 1-113.
- Wöss E. (2005): Moostiere (Bryozoa). Denisia 16: 1–369 (Kataloge der Oberösterreichischen Landesmuseen, NS 28).